import Vue from 'vue'
import VueRouter from 'vue-router'
import Login from '../components/Login.vue'
import Home from '../components/Home.vue'
import Welcome from '../components/Welcome.vue'
import Users from '../components/user/Users.vue'
import Rights from '../components/power/Rights.vue'
import Roles from '../components/power/Roles.vue'
import Cate from '../components/goods/Cate.vue'
import Params from '../components/goods/Params.vue'
import GoodsList from '../components/goods/List.vue'
import Add from '../components/goods/Add.vue'
import Order from '../components/order/Order.vue'
import Report from '../components/report/Report.vue'

Vue.use(VueRouter)

const router = new VueRouter({
    routes: [
        {
            path: '/',
            redirect: "/login"
        },
        {
            path: '/login',
            component: Login
        }, {
            path: '/home',
            component: Home,
            redirect: "/welcome",
            children: [
                {
                    path: '/welcome',
                    component: Welcome
                },
                {
                    path: '/users',
                    component: Users
                }, {
                    path: '/rights',
                    component: Rights
                }, {
                    path: '/roles',
                    component: Roles
                },
                {
                    path:'/categories',
                    component:Cate
                },
                {
                    path:'/params',
                    component:Params
                },
                {
                    path:'/goods',
                    component:GoodsList
                },
                {
                    path:'/goods/add',
                    component:Add
                },
                {
                    path:'/orders',
                    component:Order
                },
                {
                    path:'/reports',
                    component:Report
                }
            ]
        }
    ]
})

//挂载路由守卫
router.beforeEach((to, from, next) => {
    //to 将要访问的路径
    //from 代表哪个路径跳转而来
    //next 是一个函数，表示放行
    if (to.path === '/login') return next();
    //获取token
    const tokenStr = window.sessionStorage.getItem('token')
    if (!tokenStr) return next('/login')
    next()
})

export default router
